Md Abdullahil Shafi — Senior Software EngineerSenior software engineer with ~10 years building SaaS. Backend and platform engineer — I design systems that remove bottlenecks (reporting, data ingestion, reliability) and the libraries and tooling that make other engineers faster.https://shafi.me/en-usFix Angular compatibility issuehttps://shafi.me/blog/fix-angular-compatibility-issue/https://shafi.me/blog/fix-angular-compatibility-issue/Fix “the library which declares XModule is not compatible with Angular Ivy” with the Angular Compatibility Compiler (ngcc).Thu, 30 Jan 2025 00:00:00 GMTOptimizing API Response Times - How We Took It from 7.5 Minutes to Under 3 Secondshttps://shafi.me/blog/optimizing-mongo-query/https://shafi.me/blog/optimizing-mongo-query/How small changes to our MongoDB queries slashed API response times by over 99% — from 7.5 minutes to under 3 seconds.Thu, 07 Nov 2024 00:00:00 GMTAdd Duck Theoryhttps://shafi.me/blog/add-duck-theory/https://shafi.me/blog/add-duck-theory/Where 'adding a duck' comes from — a 90s game-development story about change requests.Wed, 16 Oct 2024 00:00:00 GMTDatabase buzzwords and their meaninghttps://shafi.me/blog/database-types/https://shafi.me/blog/database-types/A guideline of the database types — OLTP vs OLAP, row-based vs columnar — and their use cases.Sun, 06 Oct 2024 00:00:00 GMTUsing prepared statement with pghttps://shafi.me/blog/npm-pg-prepared-statements/https://shafi.me/blog/npm-pg-prepared-statements/Mastering the pg node package — prepared statements for secure database operations, including the undocumented array parameters.Fri, 04 Oct 2024 00:00:00 GMTকেমন ছিলেন তাঁরা - খাদিজা (রাঃ)https://shafi.me/blog/khadija-ra/https://shafi.me/blog/khadija-ra/কেমন ছিলেন তাঁরা - হযরত মুহাম্মাদ (সাঃ) এর প্রিয়তম স্ত্রী খাদিজা (রাঃ)Wed, 20 Mar 2024 00:00:00 GMTPostgres update multiple rows based on multiple conditions in single queryhttps://shafi.me/blog/pg-update-multiple-rows-in-single-query/https://shafi.me/blog/pg-update-multiple-rows-in-single-query/How to update multiple rows based on multiple conditions using a single Postgres query.Mon, 01 Aug 2022 00:00:00 GMTCode Review practiceshttps://shafi.me/blog/code-review/https://shafi.me/blog/code-review/Points that can help you in code reviewing.Tue, 19 Jul 2022 00:00:00 GMTHow to Clear 301 Redirect Cache Chromehttps://shafi.me/blog/clear-301-cache-chrome/https://shafi.me/blog/clear-301-cache-chrome/Solution to Google Chrome's 301 redirect cache issue.Sun, 17 Jul 2022 00:00:00 GMTAWS Introductionhttps://shafi.me/blog/aws-introduction/https://shafi.me/blog/aws-introduction/A simple introduction to AWS — the most common services you can connect with, without prior experience in cloud services.Tue, 28 Jun 2022 00:00:00 GMT